Description
Advantech PCL-81601 | 16-Bit High-Resolution Modular DAS Card Specs
Architect’s Product Breakdown
The Advantech PCL-81601 serves as the primary carrier and high-resolution analog input board for the PCL-816 modular data acquisition card system. Designed for legacy PC/AT (ISA bus) industrial computing chassis, this hardware model incorporates an onboard, metal-shielded 16-bit A/D conversion module that protects delicate analog input paths from ambient electromagnetic interference (EMI) inside industrial computer enclosures. Delivering up to 100 kS/s throughput across 16 differential analog channels with software-programmable gains (x1,x2,x4,x8x1, x2, x4, x8x1,x2,x4,x8), it handles high-accuracy sensor digitizing, strain gauge measurements, and laboratory transient analysis.
In addition to its native analog and TTL digital I/O capabilities, the model features two 64-pin piggyback expansion connectors, allowing system integration engineers to install sub-modules such as the PCL-816-DA (for 16-bit dual-channel analog output). Deploying or replacing this card requires strict attention to ISA bus jumper settings, including Base I/O address selection (occupying 16 consecutive I/O port addresses), hardware IRQ assignment (IRQ 2–7), and DMA channel allocation (Channel 1 or 3). When executing maintenance swaps, field technicians must verify that the DB-37 shielding ground is securely bonded to the chassis to maintain high 16-bit conversion accuracy.
PCL-81601
Key Technical Specifications
- Manufacturer: Advantech
- Product Category: Modular High-Resolution Multifunction DAS Card
- Part Number / Catalog No.: PCL-81601 (Carrier board for PCL-816 system)
- Analog Inputs: 16 Differential channels
- ADC Resolution: 16-bit
- Maximum Sampling Rate: 100 kS/s (100 kHz)
- Input Ranges (Bipolar): Software-selectable ±10 V\pm 10 V±10 V, ±5 V\pm 5 V±5 V, ±2.5 V\pm 2.5 V±2.5 V, and ±1.25 V\pm 1.25 V±1.25 V
- Input Ranges (Unipolar): Software-selectable 0 to 10 V10 V10 V, 0 to 5 V5 V5 V, 0 to 2.5 V2.5 V2.5 V, and 0 to 1.25 V1.25 V1.25 V
- Digital Inputs / Outputs: 16 Digital Inputs & 16 Digital Outputs (TTL-compatible via 20-pin ribbon headers)
- Counter/Timers: Programmable 8254 Pacer Clock (10 MHz timebase)
- Modular Expansion: Dual 64-pin piggyback sockets (supports PCL-816-DA analog output sub-modules)
- Bus Interface: Legacy 16-bit ISA bus slot
- Field I/O Connectors: Single female DB-37 connector (Analog) + 2x 20-pin flat cable headers (Digital)
- Operating Temperature Range: 0°C to +50°C
- Dimensions: 337 mm x 112 mm (13.3″ x 4.4″ full-length ISA profile)
Field Engineer’s Pitfall Guide (Unique Value)
- ISA Bus Address Conflicts: Because ISA expansion cards do not support PCI Plug-and-Play automatic resource allocation, installing the PCL-81601 without setting unique DIP switch addresses will cause I/O port overlaps with existing serial, parallel, or network adapter cards. Always map a free 16-byte address block (e.g.,
0x300or0x310) prior to insertion. - Hot-Swapping Under Power: Never insert or remove the PCL-81601 module while the industrial PC host is powered on. Unseating standard ISA edge connectors under load will short 5V and 12V bus rails, causing permanent damage to host motherboard chipsets and onboard A/D converters.
- Signal Crosstalk on Unshielded Cable Runs: Operating at 16-bit resolution (1 LSB=305 μV1 LSB = 305\,\muV1 LSB=305μV on a ±10 V\pm 10 V±10 V range) makes input signals susceptible to external 60 Hz hum and motor EMI. Always use double-shielded DB-37 cabling (such as the Advantech PCL-10137) paired with a terminal wiring block (PCLD-8115 or PCLD-880).
QA & Testing SOP (Transparency)
- Visual & Origin Verification: Units undergo microscopic examination to confirm clean gold ISA edge connectors, intact metal shielding over the A/D submodule, unbent DB-37 pin housings, and authentic OEM labeling.
- Live Test Bench Environment: Boards are seated in a dedicated legacy ISA industrial test chassis running DOS/Windows industrial diagnostics to verify base I/O register communication, IRQ triggering (IRQ 2–7), and DMA handshaking.
- Analog Calibration & Signal Integrity Sweep: Technicians inject precision multi-point DC voltages (±10 V\pm 10 V±10 V down to ±1.25 V\pm 1.25 V±1.25 V) across all 16 differential channels, verifying 16-bit conversion linearity, programmable gain amplifier accuracy, and pacer clock timing stability.
- Anti-Static Packaging: Post-testing units are sealed inside conductive ESD shielding bags and cushioned with high-density foam inserts to prevent electrostatic and mechanical damage during transit.
Technical FAQ
Can I hot-swap the PCL-81601 card while the host industrial PC is powered on? No. Standard ISA expansion slots do not support live hot-swapping. Always power down the host chassis completely before installing, removing, or adjusting hardware jumpers on this board.
How do I add analog output channels to this specific model? The PCL-81601 carrier board contains onboard expansion sockets designed to accept the PCL-816-DA sub-module. Installing this piggyback module adds two channels of 16-bit analog voltage output.
What cable and terminal block accessories pair with the DB-37 connector? This model pairs directly with 37-pin shielded cables (such as the Advantech PCL-10137-1 or PCL-10137-2) and connects to screw-terminal breakout boards like the PCLD-8115 or PCLD-880.
What is the standard warranty status for surplus inventory units? Verified surplus or factory-sealed data acquisition boards typically carry a 12-month operational warranty covering material and manufacturing defects under standard laboratory or industrial conditions.
